| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.76 | -0.07 |
| Feb | 0.81 | 0.79 | 0.02 |
| Mar | 1.46 | 1.54 | -0.08 |
| Apr | 2.73 | 2.73 | 0.00 |
| May | 3.97 | 4.09 | -0.12 |
| Jun | 4.37 | 4.35 | 0.02 |
| Jul | 3.96 | 4.00 | -0.04 |
| Aug | 4.03 | 4.15 | -0.12 |
| Sep | 3.17 | 3.19 | -0.02 |
| Oct | 2.60 | 2.69 | -0.09 |
| Nov | 1.41 | 1.41 | 0.00 |
| Dec | 0.97 | 1.08 | -0.11 |
30.17 | 30.78 | -0.61 |